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Unit 1

QuestionAnswer
physical change. Changes in which no new substances are formed.
chemical change. Changes in which one or more new substances are formed.
three examples of physical change. tearing paper, breaking glass, ice melting
three exaples of chemical change. candle burning, car rusting, limb rotting, fireworks exploding
melting sugar. Physical change.
burning sugar Chemical change
biting an apple Physical change
An apple turning brown Chemical change
steel wool rusting chemical change
reactivity the ability of a substance to react chemically.
freezing physical change
burning chemical change
Four signs of a chemical change color change, creation of gas, light emission, heat produced
Created by: elliottscience
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